.container {
	width:80%;
	margin: 10% auto;
}
a{
	text-decoration: none;
	color:black;
	display: inline-block;
	width: 80px;
	padding: 16px 5px;
	border: 1px solid gray;
	margin: 5px 10px;
	text-align: center;
}
span {
	display: block;
	padding: 5px;
}
.active {
	border:1px solid red;
}
.dis {
	background-color: gray;
	color:white;
}
table {
	width: 80%;
	border:1px solid gray;
}
tr,td,th{
	border:1px solid gray;
}